50106891 has 4 divisors (see below), whose sum is σ = 66809192. Its totient is φ = 33404592.

The previous prime is 50106887. The next prime is 50106893. The reversal of 50106891 is 19860105.

It is a happy number.

50106891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50106891 - 2² = 50106887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50106893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351146 + ... + 8351151.

It is an arithmetic number, because the mean of its divisors is an integer number (16702298).

Almost surely, 2^50106891 is an apocalyptic number.

50106891 is a deficient number, since it is larger than the sum of its proper divisors (16702301).

50106891 is a wasteful number, since it uses less digits than its factorization.

50106891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702300.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 50106891 is about 7078.6221116825. The cubic root of 50106891 is about 368.6654895484.

Adding to 50106891 its reverse (19860105), we get a palindrome (69966996).

The spelling of 50106891 in words is "fifty million, one hundred six thousand, eight hundred ninety-one".